138491353

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4463}}^1$

素因数の和:4525

約数の個数: 32

約数和(自身を含む): 191987712

約数和(自身を除く): 53496359

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2387, 2821, 4433, 4463, 31031, 31241, 49093, 58019, 138353, 343651, 406133, 638209, 968471, 1521883, 1798589, 4467463, 10653181, 12590123, 19784479, 138491353]

約数ペア:

[(1, 138491353), (7, 19784479), (11, 12590123), (13, 10653181), (31, 4467463), (77, 1798589), (91, 1521883), (143, 968471), (217, 638209), (341, 406133), (403, 343651), (1001, 138353), (2387, 58019), (2821, 49093), (4433, 31241), (4463, 31031)]